(19)
(11)
EP 0 778 908 A1
(12)
(43)
Date of publication:
18.06.1997
Bulletin 1997/25
(21)
Application number:
95931618.0
(22)
Date of filing:
29.08.1995
(51)
International Patent Classification (IPC):
D21C
5/
02
( . )
D21C
9/
02
( . )
B01D
33/
04
( . )
(86)
International application number:
PCT/US1995/010937
(87)
International publication number:
WO 1996/006975
(
07.03.1996
Gazette 1996/11)
(84)
Designated Contracting States:
AT DE GB IT SE
(30)
Priority:
31.08.1994
US 19940298749
(71)
Applicant:
HOFFMAN ENVIRONMENTAL SYSTEMS, INC.
Green Bay, WI 54305 (US)
(72)
Inventor:
HOFFMAN, Roger, P.
Green Bay, WI 54305 (US)
(74)
Representative:
Jackson, Peter Arthur
GILL JENNINGS & EVERY Broadgate House 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)
(54)
THIN MAT WASHING OF CELLULOSIC PULP